It has a solid brass base. I believe it has the original finial as well.
This does not come with the shade. It stands 16 to the bottom of the socket.
The widest part of the glass measures 7 and 1/2 inches in diameter. The item "Vintage Murano Art Glass White Table Lamp Large Mid Century Brass Base" is in sale since Saturday, December 28, 2019.
This item is in the category "Collectibles\Lamps, Lighting\Lamps\ Electric\Table Lamps". The seller is "flossiesfinds69" and is located in Gulf Breeze, Florida. This item can be shipped worldwide.